在Visual studio 2015中可以通过Add-->New Item，添加Web Forms Server Control，自动生成的代码如下：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
using
System;
using
System.Collections.Generic;
using
System.ComponentModel;
using
System.Linq;
using
System.Text;
using
System.Threading.Tasks;
using
System.Web;
using
System.Web.UI;
using
System.Web.UI.WebControls;
namespace
WebApplication23
{
[DefaultProperty(
"Text"
)]
[ToolboxData(
"<{0}:WebCustomControl1 runat=server></{0}:WebCustomControl1>"
)]
public
class
WebCustomControl1 : WebControl
{
[Bindable(
true
)]
[Category(
"Appearance"
)]
[DefaultValue(
""
)]
[Localizable(
true
)]
public
string
Text
{
get
{
String s = (String)ViewState[
"Text"
];
return
((s ==
null
) ? String.Empty : s);
}
set
{
ViewState[
"Text"
] = value;
}
}
protected
override
void
RenderContents(HtmlTextWriter output)
{
output.Write(Text);
}
}
}
|
在Web Page（即在aspx文件）中引用该Server Control，代码如下：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
<%@ Page Language=
"C#"
AutoEventWireup=
"true"
CodeBehind=
"WebForm1.aspx.cs"
Inherits=
"WebApplication23.WebForm1"
%>
<%@ Register Assembly=
"WebApplication23"
Namespace=
"WebApplication23"
TagPrefix=
"ccl"
%>
<!DOCTYPE html>
<html xmlns=
"http://www.w3.org/1999/xhtml"
>
<head runat=
"server"
>
<title></title>
</head>
<body>
<form id=
"form1"
runat=
"server"
>
<div>
<ccl:WebCustomControl1 ID=
"ServerControl1"
runat=
"server"
Text=
"daniel_test"
/>
</div>
</form>
</body>
</html>
|
在使用Register引用该Server Control后，在ToolBox中就会出现该自定义的服务器控件，如图：
参考链接：
http://www.beansoftware.com/ASP.NET-Tutorials/Custom-Server-Controls.aspx
本文转自daniel8294 51CTO博客，原文链接：http://blog.51cto.com/acadia627/1743721，如需转载请自行联系原作者
